Respuesta :

altavistard
If x + 4y = 6 and you subst. -x+3 for y, you get    x + 4(-x+3) = 6.

Then x - 4x + 12 = 6, or -3x = -6, or x = 2.  Since y = -x+3, here y = -(2)+3 = 1.

Thus, the solution to this system of linear equations is (2,1).